AutoCodes – Lincoln – P140F Lincoln

P140F Lincoln Code - EGR Throttle Stuck

Quick Answer

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation (EGR) Valve. Common causes include Faulty Exhaust Gas Recirculation Valve, Exhaust Gas Recirculation Valve harness is open or shorted, Exhaust Gas Recirculation Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P140F Lincoln indicates EGR Throttle Stuck.
Common causes: Common causes include Faulty Exhaust Gas Recirculation Valve, Exhaust Gas Recirculation Valve harness is open or shorted, Exhaust Gas Recirculation Valve circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,190

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P140F Lincoln Description

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation (EGR) Valve. The PCM sets the OBDII code when the Exhaust Gas Recirculation Valve is not to factory specifications.

OBDII Code P140F Lincoln - EGR Throttle Stuck - AutoCodes.com — P140F Lincoln Code - EGR Throttle Stuck

What does this mean?

What are the Possible Causes of the DTC P140F Lincoln?

Faulty Exhaust Gas Recirculation Valve
Exhaust Gas Recirculation Valve harness is open or shorted
Exhaust Gas Recirculation Valve circuit poor electrical connection

How to Fix the DTC P140F Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P140F Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P140F Lincoln code?

Need more information on how to fix the P140F Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P140F Lincoln code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P140F Lincoln Code

1. What are the common symptoms of OBDII code P140F in a Lincoln related to the EGR throttle being stuck?

- Common symptoms include rough idling, engine stalling, decreased fuel efficiency, and the illumination of the check engine light.

2. What are the potential causes of the EGR throttle being stuck in a Lincoln triggering code P140F?

- The EGR valve may be stuck in the closed position, carbon build-up in the EGR system, faulty EGR sensor, or issues with the throttle position sensor.

3. How can I diagnose the EGR throttle issue causing code P140F in my Lincoln?

- Use a diagnostic scanner to retrieve the trouble code, visually inspect the EGR valve and associated components, check for carbon deposits, and test the EGR system components for proper functionality.

4. Is it safe to continue driving my Lincoln with OBDII code P140F related to a stuck EGR throttle?

- It is not recommended to drive the vehicle extensively with this issue as it can lead to further damage, poor performance, and potential safety concerns.

5. Can I clean the EGR system to resolve the P140F code in my Lincoln?

- Cleaning the EGR valve and passages may help resolve the issue if carbon build-up is the cause. However, if the valve is stuck or damaged, it may require replacement.

6. How much does it typically cost to repair the EGR throttle issue causing code P140F in a Lincoln?

- The cost of repair can vary depending on the exact cause of the problem, but it generally ranges from $200 to $600 for parts and labor.

7. Are there any DIY tips for addressing OBDII code P140F related to a stuck EGR throttle in a Lincoln?

- DIY tips include checking for loose or damaged vacuum hoses, cleaning the EGR valve and passages, and ensuring proper electrical connections to related sensors.

8. Will resetting the OBDII system clear the P140F code caused by a stuck EGR throttle in my Lincoln?

- Resetting the system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear after driving the vehicle.

9. Can a mechanic easily fix the EGR throttle problem causing code P140F in a Lincoln, or does it require specialized knowledge?

- A mechanic with experience in diagnosing and repairing EGR system issues should be able to efficiently address the problem and clear the OBDII code.

10. How long does it typically take to repair the EGR throttle issue triggering code P140F in a Lincoln?

- The repair time can vary based on the exact cause of the problem and the availability of parts, but it usually takes a few hours to complete the repair.